She is one of two sisters who have finally achieved their dream of owning an apartment. After the unexplained noise begins and her sister disappears from contact, she leaves her factory job in the countryside, rushes home, and urgently searches for her missing sister with help from her sister's boyfriend.
A character connected to the earlier special-forces operation, warned that armed men are coming and told to trust no one.
Han Young-ju is a prosecutor who investigates the sudden pulmonary fibrosis cases after gaining public attention for attacking a sexual predator. She examines victims' homes, identifies the connection with humidifier use, resigns, and opens her own firm to represent the victims. Her legal work complements Jeong Tae-hoon's medical and investigative search for evidence against O2.
Lee Sun-bin has 30 screen credits in a career dating back to 2010. Their work is anchored in the Okay! Madam Collection universe with 2 titles. Signature works include The Potato Lab, Noise, To the Moon. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Related entry on Wikidata (Q22974707), public domain (CC0).
